The president of Ukraine (Ukrainian: Президент України, romanized: Prezydent Ukrainy, pronounced [prezɪˈdɛnt ʊkrɐˈjinɪ]) is the head of state of Ukraine. The president represents the nation in international relations, administers the foreign political activity of the state, conducts negotiations and concludes international treaties. The president is directly elected by the citizens of Ukraine for a five-year term of office (whether the presidential election is early or scheduled), limited to two terms consecutively.

The president's official residence is the Mariinskyi Palace, located in the Pechersk district of the capital Kyiv. Other official residences include the House with Chimaeras and the House of the Weeping Widow, which are used for official visits by foreign representatives. The Office of the President of Ukraine, unofficially known as "Bankova" in reference to the street it is located on, serves as the presidential office, advising the president in the domestic, foreign and legal matters.

Since the office's establishment on 5 December 1991, there have been six presidents of Ukraine. Leonid Kravchuk was the inaugural president, serving three years from 1991 until his resignation in 1994. Leonid Kuchma was the only president to have served two consecutive terms in office. Viktor Yushchenko, Petro Poroshenko, and Viktor Yanukovych served one term, with the latter being replaced by acting president Oleksandr Turchynov, who then also served as Chairman of the Ukrainian Parliament, on 21 February 2014. Oleksandr Turchynov was the only acting president in Ukraine's modern history. The powers of an acting president are severely limited. On 18 June 2015, Yanukovych was officially deprived of the title of president of Ukraine. The Government of Ukraine utilizes a semi-presidential system in which the roles of the head of state and head of government are separate, thus the president of Ukraine is not the nation's head of government. The prime minister serves as the head of government, a role currently filled by Yulia Svyrydenko, who took office on 17 July 2025. Ukraine is somewhat unusual in that while many countries use a similar system typically the role of one leader is relegated to being ceremonial, in Ukraine however both the prime minister and the president have great power and responsibility assigned to their roles. Because the president of Ukraine must approve the appointment of the prime minister, the post of president is generally thought of as the more powerful role.

The current president is Volodymyr Zelenskyy, who took the oath of office on 20 May 2019. Due to martial law, elections in the country have been suspended.

The president is also the supreme commander-in-chief of the Ukrainian Armed Forces, and heads the National Security and Defence Council, which advises the president, co-ordinates and controls executive power in the sphere of national security and defence. According to the Constitution of Ukraine, the president is the guarantor of the state's sovereignty, territorial indivisibility, the observance of the Constitution of Ukraine and human and citizens' rights and freedoms.

As with the separation of powers, the president has checks on the authority of parliament and the judicial system. For instance, any law passed by the parliament can be vetoed by the president; however, parliament can override their veto with a 2/3 constitutional majority vote. The president has limited authority to disband the Verkhovna Rada (parliament), and nominates candidates for the minister of foreign affairs and the minister of defence in the Ukrainian Cabinet of Ministers. Six out of eighteen of the Constitutional Court judges are appointed by the president. Decisions of the president are subject to review by Ukraine's courts with the Constitutional Court having the sole authority and power to declare decrees of the president unconstitutional. While in office, the president enjoys the right of immunity.

Ukrainian presidents are frequently asked by individual citizens for help in solving their personal problems (sometimes successfully); in 2012, (then) president Yanukovych received about 10,000 to 12,000 letters from people every month.

Prior to the formation of the modern Ukrainian presidency, the previous Ukrainian head of state office was officially established in exile by Andriy Livytskyi. At first, the de facto leader of the nation was the president of the Central Rada in the early years of the Ukrainian People's Republic, while the highest governing body was the General Secretariat headed by its chairperson. With the proclamation of the last universal of the UPR dated 25 January 1918 due to military aggression, the Central Rada of the UPR proclaimed its independence from Russia. On 29 April 1918, the Rada elected Mykhailo Hrushevsky as the first president of the Central Rada of the Ukrainian People's Republic, in effect making him the de facto leader of the republic. Although a rather widespread misconception, the state leadership position title varied and none of them had an official "presidential" title.